313111330421 has 16 divisors (see below), whose sum is σ = 321786432000. Its totient is φ = 304502489088.

The previous prime is 313111330381. The next prime is 313111330451. The reversal of 313111330421 is 124033111313.

It is a cyclic number.

It is not a de Polignac number, because 313111330421 - 2¹⁴ = 313111314037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313111330451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9231125 + ... + 9264981.

It is an arithmetic number, because the mean of its divisors is an integer number (20111652000).

Almost surely, 2^313111330421 is an apocalyptic number.

It is an amenable number.

313111330421 is a deficient number, since it is larger than the sum of its proper divisors (8675101579).

313111330421 is a wasteful number, since it uses less digits than its factorization.

313111330421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34828.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 313111330421 its reverse (124033111313), we get a palindrome (437144441734).

The spelling of 313111330421 in words is "three hundred thirteen billion, one hundred eleven million, three hundred thirty thousand, four hundred twenty-one".